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Finding the Fourth Proportional to 79,491.78, 119,230.38 and 26,895.24

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Solution

The fourth proportional to 79,491.78, 119,230.38 and 26,895.24 is: 40,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,491.78 : 119,230.38 = 26,895.24 : x
  2. Step 2: Convert to fraction form
    79,491.78/119,230.38 = 26,895.24/x
  3. Step 3: Cross multiply
    79,491.78x = 119,230.38 × 26,895.24
  4. Step 4: Simplify right side
    79,491.78x = 3,206,729,685.39
  5. Step 5: Solve for x
    x = 3,206,729,685.39/79,491.78
  6. Step 6: Final answer
    x = 40,340.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.